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[Gastric cancer 787. Retroflection view of the ESD at the greater curvature of the lower body]

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Retroflection is used for the observation of the lesions in the lesser curvature of the body and cardia. Lesions in the lower body greater curvature is difficult to see in the retroflection view.

However, if you push the endoscope to make a long loop and the patient is tolerable, you can take retroflection pictures of the lower body greter curvature lesion.


Stomach, radical subtotal gastrectomy: Early gastric carcinoma
1. Location : middle third, Center at body and posterior wall
2. Gross type : EGC type IIb+IIa
3. Histologic type : signet-ring cell carcinoma
4. Histologic type by Lauren : diffuse
5. Size : 3.0x2.5 cm
6. Depth of invasion : invades mucosa (muscularis mucosae) (pT1a)
7. Resection margin: free from carcinoma, safety margin: proximal 6.5 cm, distal 8.5 cm
8. Lymph node metastasis : no metastasis in 47 regional lymph nodes (pN0)
9. Lymphatic invasion : not identified
10. Venous invasion : not identified
11. Perineural invasion : not identified
12. AJCC stage by 8th edition: pT1a N0



© 일원내시경교실 바른내시경연구소 이준행. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng. (2019-9-2)